Commercial Heating - Ferroli Heating d I les: ... Can be used on pressurised systems or open vented...

Commercial Heating

Ferroli Limited I Sales: 0843 479 4790 I [email protected] I www.ferroli.co.uk

Condensing 11kw – 680kW

Atmospheric 56kw – 289kW

Cast Iron Pressure Jet and Forced Draft 32kW – 650kW

Industrial Steel Shell 92kW – 19.5MW

Commercial Heating

FERROLI LIMITEDFerroli began producing heating appliances and equipment in Italy

during the 1950s. Today, the company is still family-owned but now

operates ten ultra-modern factories in Europe, employing over 2,500

people and producing a wide range of wall hung, cast iron and welded

steel boilers, making Ferroli one of the largest and most successful

heating appliance manufacturers in the world.

FERROLI COMMERCIAL AND INDUSTRIAL BOILERSThe commercial and industrial boiler range covers wall hung and floor

standing steel and cast iron designs, condensing, atmospheric, pressure

jet units, gas and oil models. Outputs range from 50kW to 14,000kW.

Other products include heat pumps, cylinders, solar heating and

plate heat exchangers. Ferroli’s UK warehouse, backed by its huge

manufacturing facility in Italy, offers delivery ex-stock for most smaller

boiler models and for all frequently used parts. It also assembles and

commissions sectional boilers in the UK to suit particular requirements.

Commercial Boilers

Pressure Jet Boilers

Atmospheric Boilers

Condensing Boilers

Index

Wall Mounted Econcept 51A Page 4

Energy Top Page 6

Floor Standing Econcept 101 Page 8

Energy Top Page 10

Flue Accessories Page 12

Quadrifoglio Page 14

Pegasus N Page 16

Atlas A Page 18

GN2 Range 0

GN4 Range Page 22

Prextherm RSW Quadra Page 24

Prextherm RSW Tonda Page 26

Prextherm RSH Quadra Page 28

Prextherm RSH Tonda Page 30

Industrial Heating Vapoprex LVP Page 32

Vapoprex HVP Page 32

Vapoprex 3GF Page 32

Vapoprex 3GN Page 32

Prextherm RSW/RSH Page 33

Prextherm T3G Page 33

Prextherm T3G ASL Page 33

Prextherm ASH/ASL Page 33

Prextherm 3GN AS Page 33

Prextherm 3GF Page 33

Cylinders Aquacyl Twin Coil Page 34

PRODUCTIONThe division, ISO 9001 certified by TÜV SUD, operates in production facilities

covering twenty thousand square metres, including the factory, technical and

design offices and management-sales departments. Ferroli Industrial Heating

adopts a “project” approach: a team of professionals that can satisfy all

customer needs, the best technology applied in the production department

and the use of materials and processes compliant with EN standards mean

that all products are CE marked and approved in various foreign countries.

The manufacturing flexibility of the Ferroli facilities allows the company to

respond to a vast variety of market demands, from simple heating systems to

sophisticated installations for district heating and serving production plants.

Specialist engineers and technicians conduct level two non-destructive testing

(ultrasound, X rays, liquid penetrants) and various welding procedures qualified

by the Italian Welding Institute, according to the standard EN ISO 3834,

involving all the welding featured in our projects, including submerged

arc and TIG welding, welding with basic electrodes and flux-cored welding.

The investments made have allowed a high level of automation to be

reached in the cutting and welding process.

ENERGY SAVINGS, QUALITY AND EFFICIENCYThe current national and international energy market situation requires

constant attention in order to achieve and maintain high efficiency in the use

of thermal energy. Our generators are designed with large heat exchange

surfaces and are fitted with heat recovery units and economisers. These

features considerably increase efficiency and at the same time significantly

reduce both heat loss and running costs. The Ferroli systems also have a low

environmental impact, complying with even the strictest standards in terms

of atmospheric emissions and efficiency parameters.

TECHNOLOGY AND RESEARCHTechnology, research and special care paid to quality are the elements that

define the entire manufacturing procedure of the Industrial Heating Division.

Ferroli Industrial Heating implements an advanced design system, with a

3D drawing program, selects very high quality raw materials and accessories,

and pays meticulous care to every phase in construction, using specialist

personnel with proven experience and the most modern cutting and welding

equipment. Intelligent and effective management of the entire heating plant

is one of the crucial aspects of all modern companies that want to rationally

exploit the heat generated by their boilers.

SERVICEFerroli Industrial Heating guarantees its customers a high level of service.

The quality of our service is a decisive factor in every sale and every stage in

after-sales support. The company implements ongoing training to ensure the

maximum professionalism of our service centres, our technicians and our

installers. The company can provide service on systems and products

in all situations. This ability to serve the customer in relation to any type of

need that may arise has made Ferroli Industrial and Commercial Heating the

benchmark in terms of Customer Satisfaction.

3

Features and Benefits

Modulating high efficiency premix condensing boiler for heating installations

Modular installation without the need of additional controllers

Microprocessor controls

Independent external switching of controls to maximise efficiency

Hot surface ignition with independent flame detection probe

Low water pressure protection switch

Independent internal 6 bar safety valve

Can be used on pressurised systems or open vented systems where min. 1 bar is available

Modular boiler control – The Econcept 51A is ready for modular application. The heat output

of the various modules can be optimised according to the heating load of the system

Modular, premix, condensingheat generators, with veryhigh efficiency and very lowpolluting emission, operatingon natural gas or LPG. These generators have beendesigned to be installed inmodular configurations, (upto five) to extend the benefitsof high-efficiency heating tolarger applications.

4

2 year*

parts & labourGuarantee

Econcept 51A – Wall mountedWall mounted modulating condensing boiler for heating

with premix burner with very low emissions

5

PUMP ACCESSORY KIT (Code 042034X0)For the advanced management of an external hot water cylinder the boiler can be fitted with a special kit which allows the pump for the hotwater cylinder and the return connection to behoused directly in the boiler. The electronic board manages priority of the hot water cylinder,switched by the cylinder’s control stat. When thecylinder is satisfied the boiler automaticallyreturns to heating mode.

TRAVERSE FLAME CERAMIC BURNERSThe ECONCEPT 51A modules feature premixceramic burners with reverse micro-flame, eachmade up of six plates fastened via a specialgasket to a metal frame capable of absorbingthermal expansion. These burners have very lowpolluting emissions, both NOx and CO2.

HEAT EXCHANGERSThe heat exchangers design, build and materials ensure high efficiency, constantperformances reliability.

CASCADING OPERATIONThe ECONCEPT 51A series modules have beendeveloped for connection in series to make up asingle heat generator that, in steps of 50kW, canhave a total output up to 250kW. Each withelectronic programming to ensure the optimumoperation from 11kW to 250kW.

Control boardEach ECONCEPT 51A is fitted with a user friendlymulti-function display panel, which controls allbasic operations. It will control up to fivecombustion units and handles the central heatingpump plus a second pump or diverting selectorvalve for the hot water storage cylinder.

Technical specificationsEconcept 51A

Heat input in central heating operation max. kW 49.8

min. kW 11.2

Heat output in central heating max. kW 48.8

operation (80-60°C) min. kW 11.0

Heat output in central heating max. kW 53.0

operation (50-30°C) min. kW 12.0

Operating pressure max. bar 6.0

min. bar 0.8

Height mm 720

Width mm 630

Depth mm 380

All connections Ø 3/4"

Water circuit content l 10

Max outlet temperature °C 95.0

Index of protection IP X5D

Power supply voltage V/Hz 230/50

Power input W 190

Empty weight kg 57.0

Type of appliance B23

Efficiency

Efficiency (80-60°C) Pmax % 98.0

Pmin % 98.5

Efficiency (50-30°C) Pmax % 106.4

Pmin % 107.5

Efficiency 30% (30°C) % 109.0

NOx class 5



Modular installation without the need of additional controllers

Microprocessor controls




Independent internal 6 bar safety valve


Modular boiler control – The Energy Top W is ready for modular application. The heat output


Unique spiral corrugated heat exchanger

Suitable for heating only systems,featuring high energy savings and are environmentally-friendly (4 star energy rating). Cascadingconnection of multiple generators can be performed using special fluegas and water circuit accessories.The models are configured foroperation on natural gas but can be converted to LPG using a specialconversion kit.

Energy Top – Wall mounted Wall mounted heat generators featuring a premix burner, condensing

operation, very high efficiency and very low polluting emissions.

6

2 year*


FURNACEThe new total premixed air-gascombustion unit with variable speedfan, pneumatic gas valve and cylindricalmetal fibre burner allows a range ofmodulation that, depending on themodel, can extend from 11 to 100% ofrated output, with efficiency exceeding107%. The very low emissions – NOxand CO2 – as well as minimising theenvironmental impact, also ensures theheat exchanger remains clean overtime, reducing maintenance.

ELECTRONIC CONTROLThe evolved electronics on ENERGYTOP can manage situations in whichmultiple heat generators are used incascade, minimising the configurationand commissioning operations.

CASCADING OPERATIONMultiple generators can be linked.The models are factory configured for operation on natural gas and can be converted to LPG using a special conversion kit.

7

Technical specificationsW80 W125

Output and Efficiency

Heat input, central heating max. kW 75.0 116.0

min. kW 17.0 25.0

Heat output, central heating max. (80 - 60°C) kW 73.5 113.7

min. (80 - 60°C) kW 16.7 24.6

max. (50 - 30°C) kW 79.5 123.0

min. (50 - 30°C) kW 18.3 26.9

Efficiency Pmax (80 - 60°C) % 98.0 98.0

Pmin (80 - 60°C) % 98.5 98.5

Pmax (50 - 30°C) % 106.0 106.0

Pmin (50 - 30°C) % 107.5 107.5

30% (30°C) % 109.0 109.0

Efficiency class Directive 92/42 EEC ★★★★ ★★★★NOx class 5 5

Central heating operating pressure max-min. bar 6-0.8 6-0.8

Central heating temperature max. °C 95 95

Max exchanger Δt °C 40 40

Water content litres 5 7

Electrical specifications

Index of protection IP X5D X5D

Power supply voltage V/Hz 230/50 230/50

Power input (not including the pump) max. W 95 200

Structural characteristics

Weight kg 46 51

Height mm 900 900

Width mm 445 445

Depth mm 430 430

Water circuit

Outlet/return fittings inches 11/2" 11/2"

Gas fitting inches 1" 1"

Combustion data

Losses through the stack with burner ON at Pmax-Pmin % 2.2-1.3 1.8-1.3

Losses through the casing with burner ON at Pmax-Pmin % 0.2-0.2 0.2-0.2

Losses through the stack with burner OFF % 0.03 0.02

Losses through the casing with burner OFF % 0.4 0.4

Flue gas temperature at Pmax-Pmin (80/60) °C 65-60 67-60

(50/30) °C 43-33 45-34

Flue gas flow-rate at Pmax-Pmin kg/h 126.2-30.1 195.2-44.3

Condensate flow-rate at Pmax-Pmin kg/h 8.7-2.0 13.5-3.2

CO2 at Pmax-Pmin (G20) % 9.0-8.5 9.0-8.5

CO2 at Pmax-Pmin (G31) % 10-9.2 10-9.2

CO weighted mg/kWh 35.0 35.0

NOx weighted mg/kWh 29.0 29.0



Vertical modular structure with built-in manifold pipework

Dual heat exchangers with independent microprocessor controls




Independent internal 6 bar safety valves

Boiler manifold can be bolted directly together; minimises use of space and installation time


Modular boiler control – The Econcept 101 is ready for modular application. The heat output


Modular, premix, condensingheat generators, with veryhigh efficiency and very lowpolluting emission, operatingon natural gas or LPG. These generators have beendesigned to be installed inmodular configurations, (upto five) to extend the benefitsof high-efficiency heating tolarger applications.

Econcept 101– Floor standingFloor standing, modulating condensing boiler for heating with dual

heat exchanger and double premix burner with very low emissions

8

2 year*


9

Technical specifications

Econcept 101

Output max/min.

Heat input kW 99.6/11.2

Useful heat output 80°C - 60°C kW 97.6/11.0

Useful heat output 50°C - 30°C kW 106.0/12.0

Efficiency (net)

80°C - 60°C Full load % 98.0

50°C - 30°C % 106.4

Part load (30%) % 109.0

NOx emissions

Class 5

Gas supply (natural gas G20)

Supply pressure mbar 20.0

Flow rate max/min m3/h 10.54/1.19

Gas supply (LPG G31)

Supply pressure mbar 37.0

Flow rate max/min kg/h 7.8/0.88

Central heating

Maximum operating pressure bar 6

Hot water content litres 12.8

Dimensions, weights, fittings

Height mm 1650

Width mm 704

Depth mm 410

Weight (empty) kg 150

Gas fitting DN50

Central heating fittings DN80

Power supply

Max power input W 380

Power supply voltage/frequency V/Hz 230V/50Hz

Index of protection IP X5D

TRAVERSE FLAME CERAMIC BURNERSThe ECONCEPT 101 modules featurepremix ceramic burners with reverse micro-flame, each made up of six platesfastened via a special gasket to a metalframe capable of absorbing thermalexpansion. These burners have very lowpolluting emissions, both NOx and CO2.

HEAT EXCHANGERSThe heat exchangers design, build andmaterials ensure high efficiency, constantperformances reliability.

CASCADING OPERATIONThe ECONCEPT101 series modules havebeen developed for connection in series tomake up a single heat generator that, insteps of 50kW, can have a total output ofaround 500kW. Each with electronicprogramming to ensure the optimumoperation from 11kW to 500kW.

Energy Top – Floor standingFloor standing cabinet heat generators featuring a premix burner,

condensing operation, very high efficiency and very low polluting emissions

10

2 year*



Low emissions – NOX and CO2

Individual and multiple configurations

4 star energy rating

Painted steel insulated cabinet, with reversible door (left-right) for B80 and B125 units only

Natural gas and can be converted to LPG using a special conversion kit

The range features four sizes, two with single burner and two with double burners

Cascade configurations suitable for different types of flue options

Boiler manifold can be bolted directly together; minimises use of space and installation time

Can be used on pressurised or open vented systems where min. 1 bar is available

Suitable for heating systems only,featuring high energy savings and are environmentally-friendly (4 star energy rating). Cascading connection of multiplegenerators can be performedusing special flue gas and water circuit accessories.The models are configured for operation on natural gas but can be converted to LPGusing a special conversion kit.

The water circuit in cabinet modules, compared to the wall-hung versions, is already included asstandard with all the components required for complete and correct installation in the boiler room.Each unit is connected to the central heating outlet and return water manifolds via 3-way on-offvalves with atmospheric discharge and fixed speed pump.

11

Technical specificationsB80 B125 B160 B250


Heat input, central heating max. kW 75.0 116.0 150.0 232.0

min. kW 17.0 25.0 17.0 25.0

Heat output, central heating max. (80 - 60°C) kW 73.5 113.7 147.0 227.4

min. (80 - 60°C) kW 16.7 24.6 16.7 24.6

max. (50 - 30°C) kW 79.5 123.0 159.0 246.0

min. (50 - 30°C) kW 18.3 26.9 18.3 26.9

Efficiency Pmax (80 - 60°C) % 98.0 98.0 98.0 98.0

Pmin (80 - 60°C) % 98.5 98.5 98.5 98.5

Pmax (50 - 30°C) % 106.0 106.0 106.0 106.0

Pmin (50 - 30°C) % 107.5 107.5 107.5 107.5

30% (30°C) % 109.0 109.0 109.0 109.0

Efficiency class Directive 92/42 EEC ★★★★ ★★★★ ★★★★ ★★★★NOx class 5 5 5 5

Central heating operating pressure max-min. bar 6-0.8 6-0.8 6-0.8 6-0.8

Central heating temperature max. °C 95 95 95 95

Max exchanger Δt °C 40 40 40 40

Water content litres 13 15 26 30


Index of protection IP X5D X5D X5D X5D

Power supply voltage V/Hz 230/50 230/50 230/50 230/50

Max power input (not including the pump) W 285 390 570 780


Weight kg 110 115 190 210

Height mm 1700 1700 1700 1700

Width mm 500 500 1000 1000

Depth mm 450 450 450 450

Water circuit

Outlet/return fittings inches DN100 DN100 DN100 DN100

Gas fitting inches DN65 DN65 DN65 DN65

Combustion data, single furnace

Type of appliance B23 B23 B23 B23

Losses through the stack with burner ON at Pmax-Pmin % 2.2-1.3 1.8-1.3 2.2-1.3 1.8-1.3

Losses through the casing with burner ON at Pmax-Pmin % 0.2-0.2 0.2-0.2 0.2-0.2 0.2-0.2

Losses through the stack with burner OFF % 0.03 0.02 0.03 0.02

Losses through the casing with burner OFF % 0.4 0.4 0.4 0.4

Flue gas temperature at Pmax-Pmin (80/60) °C 65-60 67-60 65-60 67-60

Flue gas temperature at Pmax-Pmin (50/30) °C 43-33 45-34 43-33 45-34

Flue gas flow-rate at Pmax-Pmin kg/h 126.2-30.1 195.2-44.3 126.2-30.1 195.2-44.3

Condensate flow-rate at Pmax-Pmin kg/h 8.7-2.0 13.5-3.2 8.7-2.0 13.5-3.2

CO2 at Pmax-Pmin (G20) % 9.0-8.5 9.0-8.5 9.0-8.5 9.0-8.5

CO2 at Pmax-Pmin (G31) % 10-9.2 10-9.2 10-9.2 10.-9.2

CO weighted mg/kWh 35.0 35.0 35.0 35.0

NOx weighted mg/kWh 29.0 29.0 29.0 29.0

Various solutions areavailable for the airintake and flue gasoutlet for the Energy Topand Econcept cabinetmodels. Modules can be linked ‘in line’modular form and evenin opposing (front toback) configurations.

Flue Accessories and cascade options for the Energy Top and Econcept ranges

IN LINE

OPPOSING

Connection with flue gas manifold

12

13

Similar arrangements areavailable for the wall mountedoptions where self supportingframes, cascade flue optionsand manifolds are available.

Also available are a range of individualflue accessories. Show here the 80mmTerminals for direct connection.

Flue gas manifold kit, dia. 200 mm, grey PPs (L=600 mm) for cascadingconfigurations complete with backflowpreventer valves, stubs, gaskets and brackets

Condensate drain trap kit complete withfastening brackets

Starter kit self-supporting frame for individualboiler complete with support brackets

Self-supporting frame extension kit for individualboiler complete with support brackets

Water connection kit for cascading completewith on-off valves and fixed speed pump

Flange kit, containing: 3 blind flanges, 3 perforated flanges, gaskets

Water manifold starter kit for individualboiler, DN65 (21/2") with ISPESL safetydevices (excluding safety valve) and gasmanifold, DN40 (11/2" )

Water manifold extension kit for individualboiler, DN65 (21/2" ) and gas manifold,DN40 (11/2" )

Water circuit compensator kit

Concentric flue optionsPart number

80/125mm Vertical adaptor (Econcept 51A only) 1KWMA74Y

80/125mm Vertical adaptor (Energy Top W80 and W125 only) 041007X0

80/125mm Concentric horizontal terminal 1000mm 1KWMA58W

80/125mm Concentric extension (M/F socket) 1000mm 1KWMA59W

80/125mm Concentric extension (M/F socket) 500mm 1KWMR43A

80/125mm Concentric 45° bend (M/F socket) 1KWMA72W

80/125mm Concentric 90° bend (M/F socket) 1KWMA73W

80/125mm Vertical terminal cowl only 1KWMR12A

125mm Wall seal 1KWMR09A

125mm Flue support bracket 1KWMR49A

80/125mm Concentric roof terminal (1145mm total length) 010026X0

Flat roof tile for use with 010026X0 1KWMA81U

Pitched roof slate for use with 010026X0 1KWMA82U

Two pipe options2 Pipe 80mm Flue adaptor kit complete 1KWMR54A

80mm Pipe extension (M/F socket) 1000mm 222952

80mm Pipe Extension (M/F socket) 500mm ZU00008115

80mm 45° bend (M/F socket) 222954

80mm 90° bend (M/F socket) 222955

80mm Terminal only (no slate available) 1KWMR47A

80mm Wall air intake terminal 1KWMA85A

80mm wall flue terminal 1KWMA86A

80mm Flue support bracket 1KWMR48A

2 Pipe 80mm connection roof terminal, single exit. 010027X0

Flat roof tile for use with 010027X0 1KWMA81U

Pitched roof slate for use with 010027X0 1KWMA82U


Huge water content copes with extremely low water pressure

Patented stainless steel cloverleaf-shaped heat exchanger

Available in three models up to 299kW/530 litres

Lowest possible NOX and CO2 emissions

Extremely energy efficient for big fuel cost savings

Innovative design for clean operation and long-term durability

4 star energy rating


Remote monitoring and adjustment of boiler by remote control

Built in electronics for cascade configurations

Suitable for operation with largewater flow requirements. Ideal formultizone heating circuits operatingsimultaneously in combination withcentralised production systems fordomestic hot water. The possibility toadopt a practically unlimited ΔT (max60°C) facilitates the combination withvariable speed pumps.

Quadrifoglio Vertical condensing module in stainless steel

14

2 year*


ELECTRONIC CONTROLQUADRIFOGLIO generators areequipped with evolved electronics,for complete control of the boilerand connected accessories.Boiler’s operation is easilymonitored by the wide single-viewbacklit display and settings can beeasily made through the keypad.

15

Technical specifications125 220 320


Heat input, central heating max. kW 116.0 207.0 299.0

min. kW 23.0 41.0 62.0

Heat output, central heating max. (80 - 60°C) kW 114.0 204.0 294.5

min. (80 - 60°C) kW 22.5 40.2 60.8

max. (50 - 30°C) kW 123.9 221.0 319.3

min. (50 - 30°C) kW 24.8 44.2 66.8

Efficiency Pmax (80 - 60°C) % 98.3 98.5 98.5

Pmin (80 - 60°C) % 98.0 98.0 98.0

Pmax (50 - 30°C) % 106.8 106.8 106.8

Pmin (50 - 30°C) % 107.7 107.7 107.7

30% (30°C) % 109.6 109.6 109.6

Efficiency class Directive 92/42 EEC ★★★★ ★★★★ ★★★★NOx class 5 5 5

Central heating operating pressure max-min. bar 6-0.8 6-0.8 6-0.8

Central heating temperature max. °C 95 95 95

Water content litres 265 380 530


Index of protection IP X0D X0D X0D

Power supply voltage V/Hz 230/50 230/50 230/50

Power input (not including the pump) max. W 200 260 370


Weight kg 280 400 500

Height mm 1750 1820 1850

Width mm 660 780 900

Depth mm 720 870 1020

Water circuit

Outlet/return fittings inches DN50 DN65 DN65

Gas fitting inches 1" 1" 11/4"

Combustion data

Losses through the stack with burner ON at Pmax-Pmin % 1.7-1.3 1.7-1.3 1.7-1.3

Flue gas temperature at Pmax-Pmin (80/60) °C 66-60 67-61 67-61

(50/30) °C 43-32 45-31 45-31

Flue gas flow-rate at Pmax-Pmin kg/h 1189.6-39.9 338.4-71.1 488.8-107.5

CO2 at Pmax-Pmin (G20) % 30.0-2.0 40.0-2.0 35.0-3.0

CO weighted mg/kWh 6.0 8.0 20.0

NOx weighted mg/kWh 37.0 38.0 26.0


A range of outputs from 67 to 289 kW

Stainless steel main burner

Double body gas valve with shut-off devices controlled by the regulating and safety thermostats

Flue gas safety thermostat

Electronic ignition with ionising flame regulation with reset button and intermittent pilot burner

Main switch

Temperature/pressure gauges

Regulating thermostat

Safety thermostat

Automatic air vent valve

Pressure stabiliser and gas pressure gauge

Drain cock

Flue gas test point on flue gas chamber

High efficiency

cast iron floor

standing boiler

with atmospheric

burner for the

production of

hot water for

central heating

installations.

Pegasus NGas-fired cast iron floor boiler with atmospheric burner

16

2 year*


17

Technical specificationsPegasus N F2 67 F2 87 F2 107 F3 119 F3 136 F3 153 F3 170 F3 187 F3 221 F3 255 F3 289

Heat output kW 67 87 107 119 136 153 170 187 221 255 289

Btu x1000 228 297 365 406 464 522 580 638 754 870 986

Rated heat input nett kW 73 95 117 131 149 168 187 206 243 280 317

Btu x1000 249 324 399 447 508 573 638 703 829 955 1082

Design Flow rate at 82ºC/71ºC litre/sec 1.45 1.89 2.32 2.56 2.90 3.30 3.67 4.03 4.76 5.49 6.23

Minimum flow rate litre/sec 0.46 0.59 0.73 1.02 1.16 1.32 1.47 1.61 1.90 2.20 2.50

Boiler water content litres 19 24 29 38 42 46 50 54 62 70 78

Maximum working pressure bar 6 6 6 4 4 4 4 4 4 4 4

Sections 7 9 11 8 9 10 11 12 14 16 18

Dimensions A mm 760 930 1100 930 1020 1100 1190 1270 1440 1610 1780

B mm 100 110 120 133 148 148 173 173 173 198 198

C Ø mm 180 200 220 220 250 250 300 300 300 350 350

D mm 42 42 42 50 53 58 60 58 57 62 66

E mm 32 32 32 42 45 43 46 44 45 46 49

F mm 760 760 760 1050 1050 1050 1050 1050 1050 1100 1100

Connections a1 11/4" 11/4" 11/4" 2" 2" 2" 2" 2" 2" 2" 2"

a2 11/4" 11/4" 11/4" 2" 2" 2" 2" 2" 2" 2" 2"

a3 3/4" 3/4" 3/4" 1" 1" 11/2" 11/2" 11/2" 11/2" 11/2" 11/2"

Principal gas nozzles no. 6 8 10 7 8 9 10 11 13 15 17

Elec. power supply V/Hz 230/50 230/50 230/50 230/50 230/50 230/50 230/50 230/50 230/50 230/50 230/50

Total power input Watt 30 30 30 32 32 60 60 60 60 60 60

Weight (with packaging) kg 275 333 390 470 530 575 625 665 760 875 945

KEY

a1 central heating return inlet

a2 central heating flow outlet

a3 gas input

PEGASUS F2 N PEGASUS F3 N

760


New compact design

High efficiency cast iron boiler body

Silent operation thanks to low flues turbulence

Widely copes with requirements for 2 stars efficiency according to directive 92/42 EEC

New analogue control panel with smart fume cover

Control board includes thermometer and pressure gauge, ignition switch, safety thermostat with

manual reset and temperature setting knob

Optional range of one and two stage* burners to be easily fitted, both for gas or liquid fuel

* Two stage only available on Atlas A 95

3 pass-flue floor standing

boiler, only heating,

for oil or gas jet burner.

Atlas AFloor Standing Boiler

18

2 year*


Equipped with a user-friendly,

control panel.

19


Atlas A 32 47 62 78 95

Max thermal output kW 32 47 62 78 95

Max thermal capacity kW 34.9 51.6 67.7 85.6 103

Water content litres 18 23 28 33 38

Efficiency Pmax (80°– 60°C) % 91.7 91.1 91.5 91.1 92

Max. heating operating pressure bar 6 6 6 6 6

Dimensions D mm 400 500 600 732 832

B Ø mm 115 115 115 115 115

F Ø mm 120-130 120-130 120-130 120-130 120-130

Empty weight kg 127 166 205 244 283

Number of sections 3 4 5 6 7

IP protection rate IP X0D X0D X0D X0D X0D

500 D

B

F

850 626

105 105145 145

1

2

3

KEY

1 system delivery Ø 11/2"

2 system return Ø 11/2"

3 heating system drain cock 1/2"


Ferroli boilers are manufactured from high quality cast iron and are designed for a reliable

long life – with a 10-year manufacturer’s material guarantee on the cast iron work

All GN models are suitable for natural gas, LPG or oil-fired pressure jet burners, with a dual fuel option

The GN range is a highly efficient boiler with on/off, high/low or modulating burner operation

We can also supply pre-mix burners which are fully modulating, low NOX and quiet

High efficiency, reduce fuel consumption

Boiler body is insulated with high density mineral fibre to minimise heat loss from the heat exchanger

GN2 models have a double-pass heat exchanger

Designed for use with fully pumped indirect systems operating at working pressures up to 6 bar at

90ºC flow temperature

The pre-wired control panel is housed in a stylish casing and incorporates: on/off illuminated

switches; high/low thermostatic control with limit thermostat (manual re-set); and a

temperature and pressure gauge

Front access for ease of maintenance and minimum side clearance required

Suitable for modular installations

High efficiency heatgenerators for theproduction of hot waterfor central heatinginstallations servingmedium to largeresidential or industrialpremises. The GN rangeof boilers is availablefor pressure jet oil,forced air gas or dualfuel with a range ofburners for ON/OFF orhigh/low operation.

GN2Gas, oil or dual fuel, cast iron, free-standing boilers

20

2 year*


21


Number of sections 05 06 07 08 09 10 11 12 13 14

Delivered heat output max. kW 90 108 126 144 162 180 198 216 234 252

min. kW 73 87 101 115 129 143 157 171 185 199

Heat input max. kW 98.8 117.4 136.9 156.5 176.0 195.6 215.2 234.7 254.3 273.9

min. kW 80 95 110 125 140 155 170 185 200 215

Water content litres 49 57 65 73 81 89 97 105 113 121

Design flow rate @ Δt 11ºC litres/sec 1.95 2.35 2.74 3.13 3.52 3.91 4.3 4.7 5.01 5.47

Water pressure loss @ Δt 11ºC mb 2.8 3.4 4.8 6.5 8.5 11 13 16 19 23

Design flow rate @ Δt 20ºC litres/sec 1.07 1.29 1.5 1.72 1.93 2.15 2.36 2.58 2.79 3.00

Water pressure loss @ Δt 20ºC mb – – 0.5 0.8 1.8 2.2 2.6 3.2 4.0 4.5

Water pressure max bar 6 6 6 6 6 6 6 6 6 6

Static head min m 2.1 2.1 2.1 2.1 2.1 2.1 2.1 2.1 2.1 2.1

Flow rate min litres/sec 0.72 0.86 1.0 1.15 1.29 1.43 1.58 1.72 1.86 2.0

Input gas rate max m3/h 10.46 12.28 14.49 16.56 18.62 20.70 22.77 24.84 26.91 28.98

Working pressure boiler gas mb 20 20 20 20 20 20 20 20 20 20

Max gas inlet gas pressure mb 25 25 25 25 25 25 25 25 25 25

Draught required @ boiler flue outlet mb 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02

Pascal 2 2 2 2 2 2 2 2 2 2

Burner pressure as Burner manufacturers data

Flue gas volume @ NTP m3 140 159 196 218 247 273 305 326 370 402

Flue gas temperature ºC 220 220 220 220 220 220 220 220 220 220

Boiler flue gas resistance mb 0.3 0.31 0.32 0.33 0.34 0.36 0.37 0.38 0.39 0.40

Electric supply 230v 50Hz Yes Yes Yes Yes Yes Yes Yes Yes Yes Yes

Combustion chamber Δp mbar 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4 0.4

Combustion chamber volume litres 63 77 91 104 118 132 146 160 174 187

Dimensions Height mm 1196 1196 1196 1196 1196 1196 1196 1196 1196 1196

Width mm 600 600 600 600 600 600 600 600 600 600

Depth mm 647 757 867 977 1087 1197 1307 1417 1527 1637

Blast tube diameter mm 130 130 130 154 154 154 154 154 154 154

Flue diameter mm 180 180 180 200 200 200 200 200 200 200

Fittings Water flow/return DN80 3 3 3 3 3 3 3 3 3 3

Drain cock inches 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4"

Gas inlet connection as Burner manufacturers data

Weight kg 310 361 412 463 514 565 616 670 725 780

Clearance Front (min) mm 1000 1000 1000 1000 1000 1000 1000 1000 1000 1000

Rear (min) mm 800 800 800 800 800 800 800 800 800 800

Side (min) mm 200 200 200 200 200 200 200 200 200 200

22

2 year*



Ferroli boilers are manufactured from high quality cast iron and are designed for a reliable long

life – with a 10-year manufacturer’s material guarantee on the cast iron work

All GN models are suitable for natural gas, LPG or oil-fired pressure jet burners, with a dual fuel option

The GN range is a highly efficient boiler with on/off, high/low or modulating burner operation

We can also supply pre-mix burners which are fully modulating, low NOX and quiet

High efficiency, reduce fuel consumption

Boiler body is insulated with high density mineral fibre to minimise heat loss from the heat exchanger

GN4 has a triple-pass heat exchanger for maximum heat transfer and ultra-high operating efficiency

Designed for use with fully pumped indirect systems operating at working pressures up to 6 bar at

90ºC flow temperature

The pre-wired control panel is housed in a stylish casing and incorporates: on/off illuminated

switches; high/low thermostatic control with limit thermostat (manual re-set); and a

temperature and pressure gauge

Front access for ease of maintenance and minimum side clearance required

Suitable for modular installations

High efficiency heatgenerators for theproduction of hot waterfor central heatinginstallations servingmedium to largeresidential or industrialpremises. The GN rangeof boilers is availablefor pressure jet oil,forced air gas or dualfuel with a range ofburners for ON/OFF orhigh/low operation.

GN4Gas, oil or dual fuel, cast iron free-standing boilers

23


Number of sections 07 08 09 10 11 12 13 14

Delivered heat output max. kW 200 250 300 360 420 480 560 650

min. kW 120 150 180 215 250 290 330 390

Heat input max. kW 217 270 324 388 452 516 600 695

min. kW 128 160 192 229 266 309 352 416

Water content litres 143 163 183 203 223 243 263 283

Design flow rate @ Δt 11ºC litres/sec 4.32 5.39 6.46 7.75 9.08 10.4 12.1 14.1

Water pressure loss @ Δt 11ºC mb 66 99 139 178 215 254 292 331

Design flow rate @ Δt 20ºC litres/sec 2.58 2.7 3.3 3.87 4.53 5.17 6.03 7.0

Water pressure loss @ Δt 20ºC mb 20 30 42 54 65 77 88 100

Water pressure max bar 6 6 6 6 6 6 6 6

Static head min m 2.1 2.1 2.1 2.1 2.1 2.1 2.1 2.1

Flow rate min litres/sec 1.73 2.16 2.6 3.6 3.12 1.16 4.85 5.63

Input gas rate max m3/h 20.28 25.23 30.28 36.26 42.24 48.22 56.07 64.95

Working pressure boiler gas mb 20 20 20 20 20 20 20 20

Max gas inlet gas pressure mb 25 25 25 25 25 25 25 25

Burner pressure as Burner manufacturers data

Flue gas volume @ NTP m3 318 393 468 558 646 734 848 977

Flue gas temperature ºC 200 200 200 200 200 200 200 200

Draught required @ boiler flue outlet mb 0.02 0.02 0.02 0.02 0.02 0.02 0.02 0.02

Pascal 2 2 2 2 2 2 2 2

Electric supply 230v 50Hz Yes Yes Yes Yes Yes Yes Yes Yes

Combustion chamber Length mm 880 1010 1140 1270 1400 1530 1660 1790

Ø mm 500 500 500 500 500 500 500 500

Combustion chamber volume litres 161.3 185.1 208.9 232.8 256.6 280.4 304.3 328.1

Dimensions Height mm 1193 1193 1193 1193 1193 1193 1193 1193

Width mm 850 850 850 850 850 850 850 850

Depth mm 1040 1170 1300 1430 1560 1690 1820 1950

Flue diameter mm 180 180 250 250 250 250 250 250

Fittings Water flow/return DN80 3 3 3 3 3 3 3 3

Drain cock inches 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4"

Gas inlet connection as Burner manufacturers data

Weight kg 940 1050 1170 1270 1400 1510 1630 1740

Clearance Front (min) mm 1000 1000 1000 1000 1000 1000 1000 1000

Rear (min) mm 800 800 800 800 800 800 800 800

Side (min) mm 200 200 200 200 200 200 200 200


The shape design of the heat exchanger ensures an optimum ratio between the combustion volumes and the heat exchange surfaces

The materials used ensure the long life of the boiler

New turbulators improve the heat exchange of the flue gas and at the same time ensures a lowerpressure drop

A baffle plate has been fitted at the central heating system return inlet to improve the circulation ofcold water towards the bottom of the boiler. This solution ensures more uniform distribution of theheat exchange fluid across the boiler’s heat exchange surface, achieving maximum heat exchange with less stress on the walls

The tube bundle has been positioned above the combustion chamber, so that the flue gas is alwaysdischarged into a “hot”environment, preventing condensation forming

The burner is not aligned with the combustion chamber, but rather has been moved downwards. This assists the reversal of the flame, reduces the pressure drop on the flue gas side and as aconsequence extends the operating range of the generator

The combustion chamber is completely cooled (even at the rear), to ensure a greater heat exchangesurface and improve the distribution of the heating load across the walls

The steel body is completely lined with an 80mm thick layer of glass wool, in turn covered by a sturdylayer of tearproof material

The door can be hinged on the right-hand or left-hand side, has a double door stop with a new-concept locking and centring system. The door lining in the “Quadra” is made from ceramic fibre

The PREXTHERM RSWQuadra series heatgenerators arepressurised combustionboilers with flamereversal in thecombustion chamberand three flue gas passes.

18 models available from 92 to 1890kW

24

Prextherm RSW QuadraPressurised steel boilers

25


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T3 Expansion vessel attachment

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92 107 152 190 240 300 350 399 525 600 720 820 940 1060 1250 1480 1600 1890

Heat output min. kW 60 70 100 137 160 196 228 260 341 390 468 533 611 689 813 962 1040 1229

max. kW 92 107 152 190 240 300 350 399 525 600 720 820 940 1060 1250 1480 1600 1890

Heat input min. kW 64.3 75 107.3 147.4 170.9 209.5 242.5 277.5 364.5 417 502 566 651 731 884 1046 1128 1336

max. kW 99.5 116 165 206 261 326 378 432 567 648 777 881 1011 1140 1359 1608 1736 2054

Water content dm3 120 120 185 185 235 300 360 365 405 465 735 735 850 1250 1250 1500 1500 1630

Energy marking (Directive 92/42 EEC) �� ★★ ★★ ★★ ★★ ★★ ★★ ★★ ★★ ★★ ★★ ★★ ★★ ★★ ★★ ★★ ★★ ★★ ★★Efficiency at Pn max (Tm 70°C) % 92.48 92.00 92.30 91.95 92.25 92.05 92.51 92.30 92.50 92.56 92.71 93.10 92.95 93.05 92.00 92.03 92.15 92.01

Efficiency at Pn min (Tm 70°C) % 93.33 93.20 94.30 92.99 93.60 93.50 95.25 93.70 93.55 93.49 93.30 94.20 93.80 96.20 93.20 93.48 93.55 93.51

Efficiency at 30% Pn max (Tm 50°C) % 93.95 93.65 94.50 93.46 94.24 94.12 95.50 94.19 94.15 94.32 93.60 94.40 94.20 96.75 93.41 93.68 93.80 93.76

Δt smokes-environment � gas 150.9/105.9 161.5/118 161.6/119 167.1/115.7 162.5/109 167/115 159.9/97.9 161.5/113 159.4/115 157.9/108.9 157/120 148.2/100 153.8/105 151.6/96.7 179.6/121 176.3/108 173.6/107 176.7/107

CO2 gas 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10 10

CO2 oil 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13 13

Specific Thermic load mW/m2h 34.3 36.8 32.3 40.4 41.3 42.2 41.1 44.3 47.7 46.1 42.3 48.2 47.0 39.2 46.2 44.8 48.4 51.0

Volumetric Thermic load mW/m2h 1.10 1.28 1.17 1.47 1.53 1.48 1.45 1.35 1.26 1.20 1.25 1.42 1.44 1.26 1.51 1.34 1.44 1.58

Shell loss* % 1.3 1.3 1.2 1.1 1.0 1.0 1.0 1.0 0.9 0.9 0.8 0.8 0.7 0.7 0.6 0.6 0.6 0.6

Loss at chimney burner on % 6.22 6.7 6.7 6.95 6.75 6.95 6.49 6.7 6.6 6.54 6.49 6.1 6.35 6.25 7.4 7.37 7.25 7.39

Loss at chimney burner off ** % 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1

Working pressure bar 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6 6

Water side pressure drop Δt 10°C � Δp mbar 8 11 20 12 17 40 48 43 40 51 32 40 51 65 86 110 110 100

Δt 20°C � Δp mbar 2 2 5 3 4 9 13 16 12 16 10 18 16 20 25 32 32 29

Combustion chamber Internal Ø mm 390 390 420 420 420 488 488 538 638 638 686 686 686 776 776 830 830 830

Length mm 700 700 920 920 1170 1135 1385 1395 1385 1660 1670 1670 1854 2104 2250 2500 2500 2500

Volume m3 0.09 0.09 0.14 0.14 0.17 0.22 0.26 0.32 0.45 0.54 0.62 0.62 0.70 0.90 0.90 1.20 1.20 1.30

Surface total m2 2.9 2.9 4.7 4.7 5.8 7.1 8.5 9 11 13 17 17 20 27 27 33 33 37

Flue gas side pressure drop � Δp mbar 0.5 0.7 1.2 1.2 2.3 3.3 3.5 4.4 4.3 4.8 4.5 5.6 5.4 6 6.5 6.5 6.8 7

Flue gas flow-rate gas Kg/h 150 175 249 312 394 492 571 652 856 979 1179 1329 1523 1720 2050 2426 2620 3099

oil Kg/h 159 186 264 331 418 522 606 692 909 1039 1252 1411 1617 1825 2176 2576 2781 3290

Boiler weight (empty) kg 260 260 350 350 440 480 550 590 860 970 1250 1250 1420 1580 2250 2650 2700 2850

Dimensions Height mm 925 925 980 980 980 1100 1100 1100 1250 1250 1400 1400 1400 1580 1580 1730 1730 1730

Width mm 760 760 810 810 810 950 950 950 1060 1060 1260 1260 1450 1450 1530 1530 1530 1530

Length mm 1046 1046 1296 1296 1516 1546 1816 1817 1838 2098 2158 2158 2398 2420 2420 2722 2722 2722

Connections T1 DN 2" 2" 21/2" 21/2" 21/2" 21/2" 21/2" 21/2" 80 80 100 100 100 125 125 150 150 150

T2 DN 2" 2" 21/2" 21/2" 21/2" 21/2" 21/2" 21/2" 80 80 100 100 100 125 125 150 150 150

T3 DN 11/4" 11/4" 11/2" 11/2" 11/2" 11/2" 11/2" 11/2" 2" 2" 21/2" 21/2" 21/2" 3" 3" 100 100 100

T4 DN 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 11/2" 11/2" 11/2"

T5 Ø mm 200 200 220 220 220 220 220 220 250 250 350 350 350 400 400 450 450 450

* Air Blocked, temperature 20ºC** Combustion air closed

26




New turbulators improve the heat exchange of the flue gas and at the same time ensure a lowerpressure drop






The door can be hinged on the right-hand or left-hand side, has a double door stop with a new-concept locking and centring system. The door lining in the “Tonda” has a double cement lining plusan extra layer of insulating material

Prextherm RSW TondaPressurised steel boilers

The PREXTHERM RSWTonda series heatgeneratorsare pressurisedcombustion boilers with flame reversalin the combustionchamber and three flue gas passes.

7 models availablefrom 2360 to 6000kW

27


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2360 3000 3600 4000 4500 5000 6000

Heat output min. kW 1535 1950 2340 2600 2926 3251 3902

max. kW 2360 3000 3600 4000 4500 5000 6000

Heat input min. kW 1668 2113 2536 2819 3165 3515 4215

max. kW 2565 3250 3900 4334 4868 5407 6483

Water content dm3 2150 2600 2950 4500 4950 6250 7000

Energy marking (Directive 92/42 EEC) �� ★★ ★★ ★★ ★★ ★★ ★★ ★★Efficiency at Pn max (Tm 70°C) % 92.00 92.30 92.31 92.30 92.45 92.47 92.55

Efficiency at Pn min (Tm 70°C) % 93.20 93.51 93.72 93.51 93.40 93.30 93.50

Efficiency at 30% Pn max (Tm 50°C) % 93.65 93.76 94.21 93.76 94.05 93.90 94.35

Δt smokes-environment � gas 179.1/120 172.5/113 172.3/114 174.7/113 171.4/105 171.4/106 169.2/109

CO2 gas 10 10 10 10 10 10 10

CO2 oil 13 13 13 13 13 13 13

Specific Thermic load mW/m2h 52.4 49.1 52.9 45.4 46.3 45.0 43.7

Volumetric Thermic load mW/m2h 1.22 1.16 1.21 1.14 1.18 1.12 1.20

Shell loss* % 0.5 0.5 0.5 0.4 0.4 0.4 0.4

Loss at chimney burner on % 7.4 7.2 7.19 7.3 7.15 7.13 7.05

Loss at chimney burner off ** % 0.1 0.1 0.1 0.1 0.1 0.1 0.1

Working pressure bar 6 6 6 6 6 6 6

Water side pressure drop Δt 10°C � Δp mbar 150 145 190 250 280 200 215

Δt 20°C � Δp mbar 42 45 61 70 80 55 65

Combustion chamber Internal Ø mm 980 1130 1130 1174 1174 1278 1278

Length mm 2750 3000 3300 3300 3300 3300 3300

Volume m3 2.10 2.80 3.20 3.80 4.10 4.80 5.40

Surface total m2 45 61 68 88 97 111 137

Flue gas side pressure drop � Δp mbar 7.2 7.5 8.2 9.5 10.5 10.8 12.0

Flue gas flow-rate gas Kg/h 3870 4904 5884 6539 7344 8158 9781

oil Kg/h 4108 5205 6246 6941 7795 8660 10383

Boiler weight (empty) kg 3900 5300 5800 7500 8000 9600 11500

Dimensions Height mm 1950 2140 2140 2325 2325 2525 2525

Width mm 1610 1800 1800 1980 1980 2180 2180

Length mm 3232 3446 3816 4086 4436 4458 4958

Connections T1 DN 150 200 200 200 200 250 250

T2 DN 150 200 200 200 200 250 250

T3 DN 100 125 125 125 125 150 150

T4 DN 11/2" 11/2" 11/2" 11/2" 11/2" 11/2" 11/2"

T5 Ø mm 450 500 500 600 600 650 650


28










The door can be hinged on the right-hand or left-hand side, has a double door stop with a new-concept locking and centring system. The door lining in the “Quadra” is made from ceramic fibre

The PREXTHERM RSHQuadra series heatgeneratorsare pressurisedcombustion boilers with flame reversalin the combustionchamber and three flue gas passes.

12 models available from 92 to 940kW

Prextherm RSH QuadraHigh efficiency pressurised steel boilers

29


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80 90 130 160 200 250 350 450 500 600 700 800

Heat output min. kW 60 70 100 137 160 196 260 341 390 468 533 611

max. kW 92 107 152 190 240 320 399 500 600 720 820 940

Heat input min. kW 63.7 74.3 105.8 144.4 168.4 206 272.6 357 407.9 489.8 558.4 638.9

max. kW 97.7 113.5 160.8 200.2 252.6 336.4 418.4 523.5 627.6 753.6 859.1 982.9

Water content dm3 120 185 235 304 362 337 405 471 735 850 850 1240

Energy marking (Directive 92/42 EEC) �� ★★★ ★★★ ★★★ ★★★ ★★★ ★★★ ★★★ ★★★ ★★★ ★★★ ★★★ ★★★Efficiency at Pn max (Tm 70°C) % 94.19 94.27 94.52 94.92 95.02 95.15 95.37 95.52 95.62 95.56 95.47 96.00

Efficiency at Pn min (Tm 70°C) % 95.40 95.50 95.75 95.44 95.71 95.84 96.06 96.21 96.31 96.25 96.16 96.34

Efficiency at 30% Pn max (Tm 50°C) % 95.42 95.52 95.77 95.75 96.02 96.12 96.37 96.52 96.62 96.56 96.47 96.65

Δt smokes-environment � gas 112.9/85.6 111.1/83.4 107.8/80.1 101.1/82.7 101.1/79 98.2/76.8 95.5/73.6 92.2/70.3 92.2/70.3 93.5/78.4 97.8/75.8 93.8/71.9

CO2 gas 10 10 10 10 10 10 10 10 10 10 10 10

CO2 oil 13 13 13 13 13 13 13 13 13 13 13 13

Specific Thermic load mW/m2h 31.7 22.7 26.2 26.3 28.2 35.5 36.2 38.4 35.2 36.0 41.0 34.8

Volumetric Thermic load mW/m2h 1.08 0.81 0.94 0.91 0.97 1.05 0.92 0.96 1.01 1.07 1.22 1.09

Shell loss* % 1.3 1.3 1.2 1.1 1.0 1.0 0.9 0.9 0.8 0.8 0.7 0.7

Loss at chimney burner on % 4.51 4.43 4.28 3.98 3.98 3.85 3.73 3.58 3.58 3.6 3.83 3.65

Loss at chimney burner off ** % 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1 0.1

Working pressure bar 6 6 6 6 6 6 6 6 6 6 6 6

Water side pressure drop Δt 10°C � Δp mbar 11 20 12 17 40 48 40 51 32 40 51 65

Δt 20°C � Δp mbar 2 5 3 4 9 13 12 16 10 18 16 20

Combustion chamber Internal Ø mm 390 420 420 420 420 488 638 638 686 686 686 776

Length mm 700 920 920 1170 1170 1135 1385 1660 1670 1670 1854 2104

Volume m3 0.09 0.14 0.17 0.22 0.26 0.32 0.45 0.54 0.62 0.70 0.70 0.90

Surface total m2 2.9 4.7 5.8 7.2 8.5 9 11 13 17 20 20 27

Flue gas side pressure drop � Δp mbar 0.7 1.2 1.2 2.3 3.3 3.5 4.3 4.8 4.5 5.6 5.4 6

Flue gas flow-rate gas Kg/h 156 182 258 321 405 539 670 838 1005 1207 1376 1574

oil Kg/h 161 186 264 329 415 553 687 860 1031 1238 1411 1615

Boiler weight (empty) kg 260 350 350 440 480 550 860 970 1250 1250 1420 1580

Dimensions Height mm 925 980 980 1100 1100 1100 1250 1250 1400 1400 1400 1580

Width mm 760 810 810 950 950 950 1060 1060 1260 1450 1450 1450

Length mm 1046 1296 1516 1546 1816 1817 1838 2098 2158 2398 2398 2420

Connections T1 DN 2" 21/2" 21/2" 21/2" 21/2" 21/2" 80 80 100 100 100 125

T2 DN 2" 21/2" 21/2" 21/2" 21/2" 21/2" 80 80 100 100 100 125

T3 DN 11/4" 11/2" 11/2" 11/2" 11/2" 11/2" 2" 2" 21/2" 21/2" 21/2" 3"

T4 DN 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4" 3/4"

T5 Ø mm 200 220 220 220 220 220 250 250 350 350 350 400


30





A baffle plate has been fitted at the central heating system return inlet to improve the circulation ofcold water towards the bottom of the boiler. This solution ensures more uniform distribution of theheat exchange fluid across the boiler’s heat exchange surface, achieving maximum heat exchange withless stress on the walls


The burner is not aligned with the combustion chamber, but rather has been moved downwards. Thisassists the reversal of the flame, reduces the pressure drop on the flue gas side and as a consequenceextends the operating range of the generator



The door can be hinged on the right-hand or left-hand side, has a double door stop with a new-concept locking and centring system. The door lining in the “Tonda” has a double cement lining plusan extra layer of insulating material

The PREXTHERM RSHTonda series heatgeneratorsare pressurisedcombustion boilers with flame reversalin the combustionchamber and three flue gas passes.

6 models availablefrom 1060 to 3000kW

Prextherm RSH TondaHigh efficiency pressurised steel boilers

31


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T4 Boiler drain

T5 Flue attachment

T6 Burner attachment

900 1100 1300 1600 2000 2600

Heat output min. kW 689 813 962 1229 1535 1950

max. kW 1060 1250 1480 1845 2360 3000

Heat input min. kW 719.9 848.2 1004.4 1291.2 1603.1 2033.7

max. kW 1107.6 1304.2 1545.2 1930 2464.7 3128.8

Water content dm3 1490 1490 1620 1925 2600 2920

Energy marking (Directive 92/42 EEC) �� ★★★ ★★★ ★★★ ★★★ ★★★ ★★★Efficiency at Pn max (Tm 70°C) % 95.72 95.86 95.8 95.60 95.77 95.90

Efficiency at Pn min (Tm 70°C) % 96.41 96.55 96.46 95.80 96.39 96.59

Efficiency at 30% Pn max (Tm 50°C) % 96.72 96.87 96.81 96.50 96.78 96.91

Δt smokes-environment � gas 94.4/72.5 91.3/69.3 92.7/70.6 97.1/77.3 95.5/73.4 92.7/70.6

CO2 gas 10 10 10 10 10 10

CO2 oil 13 13 13 13 13 13

Specific Thermic load mW/m2h 32.1 37.8 40.0 41.0 38.6 44.1

Volumetric Thermic load mW/m2h 0.93 1.08 1.18 0.92 0.88 0.97

Shell loss* % 0.6 0.6 0.6 0.6 0.5 0.5

Loss at chimney burner on % 3.68 3.54 3.60 3.80 3.73 3.60

Loss at chimney burner off ** % 0.1 0.1 0.1 0.1 0.1 0.1

Working pressure bar 6 6 6 6 6 6

Water side pressure drop Δt 10°C � Δp mbar 86 110 100 150 145 190

Δt 20°C � Δp mbar 25 32 29 42 45 61

Combustion chamber Internal Ø mm 776 830 830 980 1130 1130

Length mm 2250 2500 2500 2750 3000 3300

Volume m3 1.20 1.20 1.30 2.10 2.80 3.20

Surface total m2 33 33 37 45 61 68

Flue gas side pressure drop � Δp mbar 6.5 6.5 6.8 7 7.2 7.5

Flue gas flow-rate gas Kg/h 1774 2088 2474 3091 3947 5010

oil Kg/h 1819 2142 2538 3171 4049 5140

Boiler weight (empty) kg 2250 2650 2850 3900 5300 5800

Dimensions Height mm 1730 1730 1730 1950 2140 2140

Width mm 1530 1530 1530 1610 1800 1800

Length mm 2722 2722 2722 3232 3446 3816

Connections T1 DN 150 150 150 150 200 200

T2 DN 150 150 150 150 200 200

T3 DN 100 100 100 100 125 125

T4 DN 11/2" 11/2" 11/2" 11/2" 11/2" 11/2"

T5 Ø mm 450 450 450 450 500 500


Vapoprex LVPSteam output from 150 to 3000kg/hLow pressure steam boiler with three flue passes, two in furnace.

Vapoprex HVPSteam output from 150 to 5000kg/h Medium pressure steam boiler with three flue passes, two in furnace.

Vapoprex 3GFSteam output from 1700 to 8500kg/hMedium pressure steam boiler with three flue passes.

Vapoprex 3GNSteam output from 2000 to 28000kg/hMedium pressure steam boiler with three flue passes.

32

Steam Generators

Industrial Heating

Ferroli Industrial Heating offers a range ofboilers for markets worldwide, with outputsvarying between 100 and 19500kW:

• generators for the production of hotwater, superheated water and steam(with flame reversal and 3 flue passes)

• solid fuel generators for the production of hot water, superheated water andsaturated steam

33

Hot water boilers

Superheated water boilers

Prextherm T 3GHeat output from 1200 to 19500kWHot water boiler with three flue passes, two in furnace.

Prextherm T 3G ASLHeat output from 1200 to 6000kWSuperheated water boiler max temperature 140°, with three flue passes.

Prextherm ASH/ASLHeat output from 160 to 3500kWSuperheated water boiler with three flue passes, two in furnace.

Prextherm 3GF1400 to 3000kWSuperheated water boiler with three flue passes.

Prextherm 3GN ASHeat output from 1400 to 19500kWSuperheated water boiler with three flue passes.

Hot Water Prextherm RSW/RSHHeat output from 92 to 3600kWHot water boiler with three flue passes, two in furnace.

Aquacyl twin coil cylinder is idealfor solar water heating. The lower coil can be heated byenergy from the solar collector. If hot water is required at a highertemperature than can be achievedby solar energy alone, then a FerroliHigh Efficiency boiler fires and heatsthe upper coil to boost the watertemperature. Alternatively thecylinder’s electric immersionheater(s) may be used to boostthe hot water temperature.

34

Aquacyl Twin CoilHigh quality stainless steel hot water cylinder

for use on unvented hot water systems


Twin coil for fastest heat recovery

No anode

Easy to install

Easy to commission

Simple electrical installation

Stylish appearance

Long life stainless steel body

Low density, low HCFC insulation ensures optimum efficiency

Easy to adjust immersion heaters

No internal expansion bubble to maintain

All pipe and electrical connections are possible from cylinder ‘front’

25 year guarantee plus nationwide cover from our own service engineers

Special features

Two 3kW immersion heaters fitted as standard (optional 6, 9 and 12kW heaters available)

6kW titanium heaters available for hard water areas or for customers with bore holes

35

Ferroli’s Aquacyl cylinder range iseasy to install and commission.Each model is supplied completewith all necessary temperature andpressure expansion valves and vessels.

The Aquacyl cylinder vessel has a 25 yearmanufacturer’s guarantee as standard.

Technical specifications875170 875200 875250 875300 875510 875000

Storage capacity litres 170 200 250 300 500 1000

Overall diameter mm 510 554 554 554 660 820

Overall height mm 1200 1120 1330 1650 1835 2314

Overall height with expansion vessel on top mm 1480 1400 1330 2110 FM FM

Weight when full kg 220 250 310 360 556 1185

Primary flow/return connections 3/4" 3/4" 3/4" 3/4" 1" 1"

Cold feed/hot draw off connections 3/4" 3/4" 3/4" 3/4" 1" 1"

Maximum water supply pressure bar 12 12 12 12 12 12

System operating pressure bar 3 3 3 3 3 3

Expansion vessel charge pressure bar 3 3 3 3 3 3

Expansion relief valve set pressure bar 6 6 6 6 6 6

Temp and pressure relief valve set pressure bar 7 7 7 7 7 7

Temp and pressure relief valve lift temperature ºC 90 90 90 90 90 90

Maximum primary work pressure bar 3 3 3 3 3 3

Recommended maintenance Annual Annual Annual Annual Annual Annual

Immersion heater 3kW 230/240V L= 355mm 1 1 1 1 1 1

FM = Floor Mounted

Whilst every effort is taken to ensure the accuracy of the information contained within thebrochure, the details are offered in good faith and Ferroli Ltd. accepts no liability for mattersarising as a result of errors and/or omissions.

The information in this brochure was correct at the time of printing, however specificationsand designs may be changed owing to Ferroli’s policy of continuous product research anddevelopment. The technical specifications in the product instruction manual supersedesand should always be referred to during installation and maintenance.

Reproduction of this publication, or any part, is not permitted without the written consent ofFerroli Ltd. Please contact our Marketing Communications via [email protected] forfurther information. The statutory rights of the consumer are not affected.

Ferroli LimitedLichfield Road, Branston Industrial EstateBurton on Trent, Staffordshire, DE14 3HD

Sales t: 0843 479 4790 e: [email protected] t: 0843 479 0479 e: [email protected] t: 0843 479 0479 e: [email protected]

Fax: 0843 479 0081Calls to these numbers are charged at the national rate.

www.ferroli.co.uk

Designed and produced by GS2 Design

Your local Ferroli stockist

Commercial/V4/06.13

energy saving

Commercial Heating - Ferroli Heating d I les: ... Can be used on pressurised systems or open vented...

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